Sudan vs Yemen: Number of one-year-olds who are not vaccinated against measles

Sudan
762,834 one-year-olds
in 2023
Yemen
710,386 one-year-olds
in 2023
Sudan rank
7th
Yemen rank
8th

Number of one-year-olds who are not vaccinated against measles over time

  • Sudan
  • Yemen
200.0k400.0k600.0k800.0k198020012023

How they compare

Sudan currently reports 762,834 one-year-olds against 710,386 one-year-olds in Yemen, a difference of 52,448 one-year-olds.

That makes Sudan's figure about 1.1 times Yemen's.

The two have swapped places 4 times across 43 shared years of data; in 1981 it was Sudan ahead.

Sudan ranks 7th and Yemen ranks 8th of 194 countries.

Across the 5 decades both report, Sudan averaged higher in 3 and Yemen in 2.

Head to head by decade

Decade Sudan Yemen Difference Ahead
1980s 625,063 one-year-olds 417,114 one-year-olds 207,949 one-year-olds Sudan
1990s 431,614 one-year-olds 327,337 one-year-olds 104,277 one-year-olds Sudan
2000s 341,926 one-year-olds 250,130 one-year-olds 91,796 one-year-olds Sudan
2010s 164,356 one-year-olds 392,686 one-year-olds 228,330 one-year-olds Yemen
2020s 393,930 one-year-olds 617,350 one-year-olds 223,420 one-year-olds Yemen

Averages of every year both report within each decade.

Frequently asked questions

Which has higher number of one-year-olds who are not vaccinated against measles, Sudan or Yemen?
Sudan, at 762,834 one-year-olds against 710,386 one-year-olds in Yemen as of 2023.
What is the difference in number of one-year-olds who are not vaccinated against measles between Sudan and Yemen?
52,448 one-year-olds, with Sudan ahead.
How many years of comparable data are there for Sudan and Yemen?
43 years are reported by both, from 1981 to 2023.
How do Sudan and Yemen rank globally for number of one-year-olds who are not vaccinated against measles?
Sudan ranks 7th and Yemen ranks 8th of 194 countries.
Where does this data come from?
WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data, published as Number of one-year-olds who are not vaccinated against measles. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Sudan vs Yemen: Number of one-year-olds who are not vaccinated against measles. Statizoid, drawing on WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data. Retrieved 29 August 2026, from https://health.statizoid.com/compare/measles-number-unvaccinated/sudan/yemen-rep/

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About this data

Indicator
Number of one-year-olds who are not vaccinated against measles
Unit
one-year-olds
Source
WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
194 places, 7,780 data points, 1980–2023
Last refreshed

Number of one-year-olds who have not had the first dose of the measles vaccine in a given year.